钻完井电气化“电代油”技术助力油气行业实现“双碳”目标

doi:10.13809/j.cnki.cn32-1825/te.2022.05.001

Abstract

Abstract:

In recent years, extensive attention has been paid to the decarbonization of petroleum and gas exploration and related technologies at home and broad. The structural transformation of the energy industry of the oil and gas is one of the inevitable ways for China to achieve the “carbon peak and neutrality” targets. Under the prerequisite of energy reform to accelerate the achievement of the targets, the energy reform direction and pathway for the oil and gas technology have been analyzed. Taking the project of the electricity substitution technology in the PetroChina Southwest Oil and Gasfield Company as an example, the changes in terms of environmental pollution and energy consumption before and after the implementation of the project are compared. Then, it focuses on the necessity of the drilling and completion electrification transformation and the advantages of the drilling and completion are emphasized. Based on the analyses and summary of the key and difficulties in the practice process, the key technologies that restrict the development of electricity substitution technology and the breakthrough points of the future researches are put forward, which provides reference for the application of “electricity substitution” technology in oil and gas exploration and development under the “dual-carbon” targets.

Key words: drilling and completion electrification, “electricity substitution” technology, “carbon peak and neutrality” targets, smart power substation, carbon emission

CLC Number:

TE13

ZHANG Liehui,ZHANG An’an,CHEN Yi’nan,DING Ning,LI Hai,QU Guanglong,WANG Tao,YAO Shaobin. Electricity substitution technology of drilling and completion electrification promote petroleum and gas industry to achieve “carbon peak and neutrality” targets[J].Petroleum Reservoir Evaluation and Development, 2022, 12(5): 703-710.

Figures/Tables 5

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Table 1

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References 28

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实施阶段	环境、社会影响	生产效率
实施阶段	环境、社会影响	电力公司	油气田公司
项目实施前	存在废气排放,噪音大（120 dB左右）,周边居民投诉阻工	无增量电量销售	①钻井无法全天候施工,日均压裂2段,无法保障页岩气快速大规模生产; ②阻工现象频繁
项目实施后	降低碳排放,噪音小（60 dB左右）,企地关系和谐	①无需投资末端电网,便可完善地方电网结构; ②无需承担线损,“十四五”增量电量预计达45.5×10⁸ kW·h	①钻井24 h全天候作业,日均压裂4段,页岩气开发效率大幅提升; ②促进地方和企业和谐发展

统计对象	售电量（10⁴ kW·h）	CO₂减排量（t）	SO₂减排量（t）	氮氧化物减排量（t）	替代柴油量（t）	标煤减少量（t）
单井全电驱	350	1 225	11	3	972	471
项目累计	62 055	217 193	2 005	585	172 375	83 536
“十四五”期间累计	455 000	1 592 500	14 700	4 288	1 263 889	612 500

Electricity substitution technology of drilling and completion electrification promote petroleum and gas industry to achieve “carbon peak and neutrality” targets

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